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Cushion|Lab Grown|IGI

1.44ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG566398198

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG566398198

Diamond specifications and retailer prices

From $518 USD
As of October 30, 2026
Save $1,602 USD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,120 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.44ct lab-grown cushion diamond

This 1.44ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG566398198 or 566398198. Listed at 8 retailers as of October 29, 2026, with prices from $518 to $2,120, a $1,602 spread on the same certified stone. MOH London lists it at $2,120. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.44
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566398198
Dimensions6.60 × 6.42 × 3.85 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.42 mm1.44 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566398198
Side View
Table 60.0%Crown 32.1°Girdle: MED-THKPavilion 31.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,120 USD|Low: $370 USD|High: $2,134 USD|Avg: $953 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$518 USD
Retailer 8$694 USD
Retailer 5$695 USD
Retailer 3$877 USD
Retailer 6$897 USD
Retailer 2$951 USD
Retailer 4$1,025 USD
MOH London$2,120 USD

41 data points across 8 retailers

8 retailers$518 USD to $2,120 USD

B+
Cheapest Retailer
-
$518 USD
Final sale: no returns
B
Retailer 2
-
$694 USD
View
B+
Retailer 3
-
$695 USD
View
B
Retailer 4
-
$877 USD
€835 EUR
View
B
Retailer 5
-
$897 USD
View
B
Retailer 6
-
$951 USD
£749 GBP
View
Retailer 7
-
$1,025 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG566398198 · Oct 29
$2,120 USD
£1,669 GBP
View
7 more retailers have this diamond
Prices start from $518 USDSave up to $1,602 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.44ct Cushion
$518 USD